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