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