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