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