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