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