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)(19,20)(21,24)(22,29)(23,25)(26,31)(27,32)(28,30)(1,2)(3,7)(4,5)(6,8)(11,15)(13,16)(17,19,24,23)(18,25,21,20)(22,27,31,30)(26,32,29,28)(2,5)(6,7)(9,10)(11,13)(12,14)(15,16)(17,20)(18,23)(19,21)(22,28)(24,25)(26,30)(27,29)(31,32) involution — undirected(9,11)(10,13)(12,15)(14,16)(17,21,24,18)(19,25,23,20)(22,29,31,26)(27,32,30,28)(1,3,4,8)(2,6,5,7)(9,10)(11,13)(12,14)(15,16)(17,22)(18,26)(19,27)(20,28)(21,29)(23,30)(24,31)(25,32)(1,2)(3,6)(4,5)(7,8)(17,23,24,19)(18,25,21,20)(22,30,31,27)(26,32,29,28)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.