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