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