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