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