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