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