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