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