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