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