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