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)(9,15)(10,14)(11,16)(12,19)(13,25)(18,27)(20,29)(21,28)(23,36)(24,31)(26,30)(32,34)(33,35)(1,3,4,2)(5,7)(6,12)(8,23)(9,20)(10,19)(11,21)(13,27)(14,28)(15,17)(16,29)(18,26)(22,32)(24,33)(25,34)(30,35)(31,36)(2,3)(5,8,10,25,11,26,9,24)(6,13,15,22,16,31,14,30)(7,18,20,34,21,23,19,33)(12,27,28,35,29,36,17,32)(5,7)(6,12)(8,18)(9,19)(10,20)(11,21)(13,27)(14,17)(15,28)(16,29)(22,35)(23,26)(24,33)(25,34)(30,32)(31,36) 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.