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