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