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)(21,22,27,30)(23,32,35,43)(24,29,36,46)(25,31,26,39)(28,40,42,34)(33,47,48,52)(37,44,38,45)(41,49,51,50)(1,2,4,3)(5,7)(6,10)(8,15)(9,13)(11,19)(12,17)(14,16)(18,20)(21,23)(22,28)(24,33)(25,34)(26,40)(27,35)(29,41)(30,42)(31,43)(32,39)(36,48)(37,49)(38,50)(44,47)(45,52)(46,51)(1,3,4,2)(7,13)(10,17)(14,15)(18,19)(21,24)(22,29)(23,33)(25,38)(26,37)(27,36)(28,41)(30,46)(31,45)(32,47)(34,50)(35,48)(39,44)(40,49)(42,51)(43,52)(5,8,9,16)(6,11,12,20)(7,14,13,15)(10,18,17,19)(22,30)(24,36)(28,42)(31,39)(32,43)(33,48)(37,38)(49,50)(6,12)(10,17)(11,20)(18,19)(21,25,27,26)(22,31,30,39)(23,34,35,40)(24,37,36,38)(28,43,42,32)(29,44,46,45)(33,49,48,50)(41,47,51,52)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.