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