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