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