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