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