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