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