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)(11,16)(14,17)(15,19)(18,20)(21,22,25,28)(23,29,30,26)(24,32,33,27)(31,34,36,35)(38,40)(39,45)(41,49)(51,52)(6,7)(11,13)(12,14)(18,19)(23,30)(24,33)(26,29)(27,32)(37,38,42,40)(39,43,45,47)(41,44,49,48)(46,51,50,52)(5,7,10,6)(8,11,16,13)(9,12,17,14)(15,19,20,18)(21,23,25,30)(22,26,28,29)(24,31,33,36)(27,34,32,35)(37,39)(38,43)(40,47)(41,50)(42,45)(44,52)(46,49)(48,51)(1,2)(3,4)(5,8,10,16)(6,11,7,13)(9,15,17,20)(12,18,14,19)(21,22)(23,29)(24,27)(25,28)(26,30)(31,35)(32,33)(34,36)(37,40,42,38)(39,43,45,47)(41,48,49,44)(46,51,50,52)(5,9)(6,12)(7,14)(8,15)(10,17)(11,18)(13,19)(16,20)(21,24,25,33)(22,27,28,32)(23,31,30,36)(26,34,29,35)(37,41)(38,44)(39,46)(40,48)(42,49)(43,51)(45,50)(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.