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