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