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