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