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