One vertex per element, one color per generator, with an edge from x to x·s.
(1,2) involution — undirected(4,9)(5,13)(6,17)(10,23)(11,21)(12,18)(14,29)(15,16)(19,32)(22,27)(24,30)(25,34)(26,33)(28,31) involution — undirected(3,4,7,12)(5,10,15,25)(6,18,17,9)(8,11,20,26)(13,27,16,24)(14,30,31,22)(19,33,32,21)(23,28,34,29)(6,19)(9,21)(14,29)(17,32)(18,33)(22,34)(23,30)(28,31) involution — undirected(3,5,8,16)(4,10,11,24)(6,14,19,29)(7,15,20,13)(9,22,21,34)(12,25,26,27)(17,31,32,28)(18,30,33,23)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.