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