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