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