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