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