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