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