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