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