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