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