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