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