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