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