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