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