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