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