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