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