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