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