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