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