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)(18,22)(19,26)(20,23)(25,31)(28,29)(30,32) involution — undirected(1,2,4,6,5,7,12,13)(3,9,11,16,10,8,15,14)(17,18,23,31,21,25,20,22)(19,27,26,30,29,24,28,32)(2,7)(6,13)(8,9)(14,16)(17,19)(18,24)(20,28)(21,29)(22,30)(23,26)(25,27)(31,32) involution — undirected(1,3)(2,8)(4,11)(5,10)(6,14)(7,9)(12,15)(13,16)(18,25)(22,31)(24,27)(30,32) involution — undirected(3,10)(8,9)(11,15)(14,16) 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.