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