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