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