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