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