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