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