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