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