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