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