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