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