One vertex per element, one color per generator, with an edge from x to x·s.
(1,2) involution — undirected(7,10)(11,12)(13,19)(14,22)(15,17)(16,21)(18,24)(20,26)(23,25) involution — undirected(3,4)(5,7)(6,8)(9,10)(11,13)(12,16)(14,23)(15,20)(17,25)(18,26)(19,22)(21,24) involution — undirected(3,5)(4,7)(6,9)(8,10) involution — undirected(12,17)(13,20)(18,22)(21,23) 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.