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