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