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