Diarra's consistent club performances in 2008 resulted in him being picked for the France squad for Euro 2008, ahead of high-calibre players such as Djibril Cissé and Mathieu Flamini.
Permain konsisten Diarra pada tahun 2008 membawa dia dipilih untuk skuat Prancis untuk Euro 2008, di depan pemain kaliber tinggi seperti Djibril Cisse dan Mathieu Flamini.