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