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