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