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