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