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)(11,17)(12,20,21,15)(13,16)(14,18,22,24)(19,23)(2,5)(3,8)(6,7)(9,11)(10,14)(12,18)(13,19)(15,17)(16,22)(20,23)(21,24) involution — undirected(2,6)(5,7)(9,12)(10,15)(11,18)(13,21)(14,17)(16,20)(19,24)(22,23) involution — undirected(11,19)(14,22)(17,23)(18,24) 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.