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