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