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