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