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