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