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