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