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