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