The former Leeds and Brentford midfielder has proved a big hit since signing for the Pilgrims on a short-term deal in October.
But, despite Argyle boss Derek Adams wanting to retain Diagouraga’s services, the 30-year-old is expected to move on after the visit of League One’s bottom side.
Midfielder Jamie Ness is still working his way back to full fitness following a calf injury.
There could be three new faces in Bury’s starting line-up.
Goalkeeper Connor Ripley, defender Peter Clarke and striker James Hanson have all arrived on loan to the bottom-of-the-table Shakers.
Boss Chris Lucketti has seen loanees Alex Whitmore, Jordan Williams and Mihai Dobre all return to their parent clubs, though defender Whitmore is the only one of that trio to have played in the past month.
Stephen Dawson, Danny Mayor and Nathan Cameron (all knee) will all come back into contention for starting spots but Jermaine Beckford and Joe Murphy (both knee) are out.
Rangers manager Steven Gerrard is weighing up a move for Liverpool full-back Jon Flanagan, reports claim.
Scottish champions Celtic are reportedly ready to offer full-back Calvin Miller a new deal before sending him out on loan.
Everton target Jack Wilshere has sparked a scramble for his signature after confirming he is leaving Arsenal this summer.
Tottenham's hopes of landing Wilfried Zaha have been hit by the news Crystal Palace have offered him a bumper new deal to stay.
Ryan Giggs says Gareth Bale would be the perfect fit for Manchester United but has doubts over whether he will leave Real Madrid.
Manchester City's attempts to sign Riyad Mahrez could be in doubt again as reports claim Leicester only want a straight cash deal.