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