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