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