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