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