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