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