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