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