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