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