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