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