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