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