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