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