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