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