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