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