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