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