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