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