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