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