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