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