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