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