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