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