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)(11,13)(12,14)(15,16)(17,18,22,25,21,24,30,31)(19,23,27,20,26,29,32,28)(1,3,6,2)(4,7,5,8)(9,11)(10,13)(12,15)(14,16)(17,19)(18,23)(20,25)(21,26)(22,27)(24,29)(28,31)(30,32)(10,14)(11,15)(17,20,22,29,21,28,30,23)(18,19,25,27,24,26,31,32)(1,4,6,5)(2,7,3,8)(10,14)(13,16)(17,19)(18,23)(20,25)(21,26)(22,27)(24,29)(28,31)(30,32)(1,5,6,4)(2,7,3,8)(19,26)(20,28)(23,29)(27,32)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.