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