One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,5)(3,6,7,8)(17,18,24,27)(19,22,26,23)(20,29,21,25)(28,31,30,32)(9,10)(11,14)(12,13)(15,16)(17,19,23,18,24,26,22,27)(20,30,31,29,21,28,32,25)(2,5)(6,8)(10,13)(14,16)(17,20,24,21)(18,25,27,29)(19,28,26,30)(22,32,23,31)(1,3,4,7)(2,6,5,8)(9,11)(10,14)(12,15)(13,16)(17,21,24,20)(18,25,27,29)(19,28,26,30)(22,31,23,32)(11,15)(14,16)(17,22,24,23)(18,26,27,19)(20,31,21,32)(25,28,29,30)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.