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)(21,22,26,23,25,28,34,30)(24,31,33,36,32,27,35,29)(5,7,9,8)(6,10,11,12)(13,14)(15,18)(16,17)(19,20)(21,23,26,28,25,30,34,22)(24,29,33,31,32,36,35,27)(2,4)(5,8,9,7)(6,10,11,12)(14,17)(18,20)(21,24,25,32)(22,27,28,31)(23,29,30,36)(26,33,34,35)(6,11)(10,12)(13,15,16,19)(14,18,17,20)(24,32)(27,31)(29,36)(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.