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