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