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