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