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