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