One vertex per element, one color per generator, with an edge from x to x·s.
(2,4)(6,8)(9,10,15,16)(11,17,13,19)(12,21,23,18)(14,20,22,24)(1,2,3,4)(9,11)(10,17)(12,22)(13,15)(14,23)(16,19)(18,20)(21,24)(5,6,7,8)(9,12,15,23)(10,18,16,21)(11,20,13,24)(14,19,22,17)(9,13,15,11)(10,19,16,17)(12,14,23,22)(18,24,21,20)(9,14)(10,20)(11,21)(12,19)(13,18)(15,22)(16,24)(17,23) 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.