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