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