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