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