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