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