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