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