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