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