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