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