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