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