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