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