One vertex per element, one color per generator, with an edge from x to x·s.
(2,3)(5,6)(7,10)(8,11)(9,12)(13,17)(14,18)(15,19)(16,20)(21,22,27,32)(23,33,35,48)(24,29,38,45)(25,31,26,30)(28,41,43,36)(34,49,37,51)(39,47,40,46)(42,52,44,50)(1,2,4,3)(5,7)(6,10)(8,15)(9,13)(11,19)(12,17)(14,16)(18,20)(21,23)(22,28)(24,37)(25,36)(26,41)(27,35)(29,44)(30,33)(31,48)(32,43)(34,38)(39,52)(40,50)(42,45)(46,51)(47,49)(1,3,4,2)(7,13)(10,17)(14,15)(18,19)(21,24)(22,29)(23,34)(25,39)(26,40)(27,38)(28,42)(30,46)(31,47)(32,45)(33,49)(35,37)(36,50)(41,52)(43,44)(48,51)(5,8,9,16)(6,11,12,20)(7,14,13,15)(10,18,17,19)(23,35)(24,38)(28,43)(29,45)(33,48)(36,41)(39,40)(46,47)(6,12)(10,17)(11,20)(18,19)(21,25,27,26)(22,30,32,31)(23,36,35,41)(24,39,38,40)(28,33,43,48)(29,46,45,47)(34,50,37,52)(42,49,44,51)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.