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