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