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