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