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