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