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