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