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