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