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