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