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