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