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