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