One vertex per element, one color per generator, with an edge from x to x·s.
(2,4)(5,6,8,12,9,11,17,19)(7,13,14,20,15,10,16,18)(21,22)(23,30)(24,32)(25,29)(26,27)(28,31)(33,36)(34,35)(1,2)(3,4)(21,23,25,26)(22,27,29,30)(24,31,33,34)(28,32,35,36)(5,7,9,15)(6,10,11,13)(8,16,17,14)(12,20,19,18)(21,24,25,33)(22,28,29,35)(23,31,26,34)(27,32,30,36)(2,4)(22,29)(27,30)(28,35)(32,36) involution — undirectedA 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.