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