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