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