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