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