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