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