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