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