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