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