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