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