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