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)(21,22,26,27,25,30,24,29)(23,31,34,36,33,28,32,35)(5,7,10,6)(8,11,15,13)(9,12,17,14)(16,19,20,18)(22,27)(23,32)(24,26)(29,30)(33,34)(35,36)(1,2,3,4)(5,8,10,15)(6,11,7,13)(9,16,17,20)(12,18,14,19)(8,15)(11,13)(16,20)(18,19)(21,23,24,32,25,33,26,34)(22,28,29,36,30,31,27,35)(5,9,10,17)(6,12,7,14)(8,16,15,20)(11,18,13,19)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.