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