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