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