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