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