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