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