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)(21,22)(23,31)(24,30)(25,27)(26,29)(28,32)(33,36)(34,35)(1,2)(3,4)(5,7,9,15,10,16,18,8)(6,11,13,12,14,17,19,20)(22,27)(28,35)(29,30)(31,36)(2,4)(21,23,26,32,25,33,24,34)(22,28,30,31,27,35,29,36)(5,8,18,16,10,15,9,7)(6,12,19,11,14,20,13,17)(21,24,25,26)(22,29,27,30)(23,32,33,34)(28,31,35,36)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.