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