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