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