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