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