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