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