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