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