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