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