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