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