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