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