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