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