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