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