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