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