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