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