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