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