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