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