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