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