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