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