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