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