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