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