One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,5)(3,6,7,8)(17,18)(19,29)(20,25)(21,26)(22,27)(23,30)(24,28)(31,32)(9,10)(11,14)(12,13)(15,16)(17,19,22,25,24,31,23,26)(18,21,30,32,28,20,27,29)(2,5)(6,8)(10,13)(14,16)(17,20,24,21)(18,25,28,26)(19,30,31,27)(22,29,23,32)(1,3,4,7)(2,6,5,8)(9,11)(10,14)(12,15)(13,16)(17,21,24,20)(18,26,28,25)(19,27,31,30)(22,32,23,29)(11,15)(14,16)(17,22,24,23)(18,27,28,30)(19,25,31,26)(20,32,21,29)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.