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