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