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