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