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