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