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