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)(13,14,16,18)(15,17,19,20)(21,22)(23,29)(24,32)(25,26)(27,31)(28,34)(30,35)(33,36)(7,12)(10,11)(13,15,16,19)(14,17,18,20)(22,25)(27,29)(28,32)(35,36)(6,9)(10,11)(13,15)(14,17)(16,19)(18,20)(21,23,26,31)(22,27,25,29)(24,33,34,30)(28,36,32,35)(1,2)(3,4)(5,6)(7,10)(8,9)(11,12)(13,14)(15,17)(16,18)(19,20)(21,24,26,34)(22,28,25,32)(23,30,31,33)(27,35,29,36)(5,7)(6,10)(8,12)(9,11)(21,25,26,22)(23,27,31,29)(24,28,34,32)(30,36,33,35)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.