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