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