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