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