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)(17,18)(19,22)(20,27)(21,24)(23,28)(25,29)(26,32)(30,31)(33,34,37,40)(35,38,43,41)(36,44,45,39)(42,47,48,46)(1,3,7,5)(2,8,10,6)(4,11,13,14)(9,15,16,12)(19,25)(22,29)(26,31)(30,32)(33,34)(35,41)(36,39)(37,40)(38,43)(42,47)(44,45)(46,48)(3,5)(6,8)(11,14)(12,15)(17,18,21,24)(19,22,25,29)(20,23,28,27)(26,30,31,32)(33,35)(34,38)(36,42)(37,43)(39,46)(40,41)(44,47)(45,48)(1,4,7,13)(2,9,10,16)(3,11,5,14)(6,12,8,15)(17,18)(19,22)(20,23)(21,24)(25,29)(26,30)(27,28)(31,32)(33,36,37,45)(34,39,40,44)(35,42,43,48)(38,46,41,47)(1,5,7,3)(2,6,10,8)(4,11,13,14)(9,15,16,12)(17,19)(18,22)(20,26)(21,25)(23,30)(24,29)(27,32)(28,31)(1,6)(2,3)(4,12)(5,10)(7,8)(9,11)(13,15)(14,16)(17,20,21,28)(18,23,24,27)(19,26,25,31)(22,30,29,32)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.