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