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