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