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