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