One vertex per element, one color per generator, with an edge from x to x·s.
(2,4)(5,6)(7,11)(8,12)(9,10)(13,14,17,20)(15,19,26,33)(16,21,28,34)(18,22,30,35)(23,38,25,31)(24,32,40,43)(27,37,29,36)(39,44,41,42)(6,10)(11,12)(13,15)(14,19)(16,24)(17,26)(18,23)(20,33)(21,32)(22,38)(25,30)(27,39)(28,40)(29,41)(31,35)(34,43)(36,42)(37,44) involution — undirected(1,2,3,4)(5,7,9,8)(6,11,10,12)(14,20)(15,23)(16,27)(18,30)(19,31)(21,36)(25,26)(28,29)(32,43)(33,38)(34,37)(39,41)(5,8,9,7)(6,12,10,11)(13,16,17,28)(14,21,20,34)(15,24,26,40)(18,27,30,29)(19,32,33,43)(22,37,35,36)(23,39,25,41)(31,42,38,44)(15,25)(16,27)(18,30)(19,31)(21,37)(22,35)(23,26)(24,40)(28,29)(32,43)(33,38)(34,36) 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.