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