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