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