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