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