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