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