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)(15,21,22,19)(17,24,25,20)(23,26,28,27)(29,30,34,35)(31,32,36,40)(33,37,42,43)(38,39,44,41)(5,6,8,10)(7,9,11,12)(15,22)(17,25)(19,21)(20,24)(30,35)(31,36)(37,43)(38,44)(5,6)(7,9)(8,10)(11,12)(13,15)(14,19)(16,21)(17,23)(18,22)(20,26)(24,27)(25,28)(29,31)(30,32)(33,38)(34,36)(35,40)(37,39)(41,43)(42,44) involution — undirected(1,2)(3,4)(13,16,18,14)(15,19,22,21)(17,24,25,20)(23,26,28,27)(29,32)(30,36)(31,35)(33,41)(34,40)(37,38)(39,42)(43,44)(5,7)(6,9)(8,11)(10,12)(13,17,18,25)(14,20,16,24)(15,23,22,28)(19,26,21,27)(29,33)(30,37)(31,38)(32,39)(34,42)(35,43)(36,44)(40,41)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.