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