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