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