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