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