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