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