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