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