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