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