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