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