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