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