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