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