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