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