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