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)(15,21,23,19)(16,24,25,20)(22,27,26,28)(29,30)(31,35)(32,39)(33,41)(34,37)(36,42)(38,44)(40,43)(7,11)(10,12)(14,18)(16,25)(19,21)(22,26)(29,31,34,32)(30,35,37,39)(33,40,42,38)(36,44,41,43)(5,7)(6,10)(8,12)(9,11)(13,14)(15,21)(16,24)(17,18)(19,23)(20,25)(22,27)(26,28)(29,32,34,31)(30,35,37,39)(33,40,42,38)(36,43,41,44)(1,2)(3,4)(5,6,9,8)(7,10,11,12)(13,15,17,23)(14,19,18,21)(16,26,25,22)(20,28,24,27)(29,30)(31,35)(32,39)(33,36)(34,37)(38,43)(40,44)(41,42)(5,8,9,6)(7,12,11,10)(13,16,17,25)(14,20,18,24)(15,22,23,26)(19,27,21,28)(29,33,34,42)(30,36,37,41)(31,38,32,40)(35,43,39,44)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.