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