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