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