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