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