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