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)(17,18,23,25)(19,27,30,24)(20,21,29,31)(22,32,28,26)(34,36)(39,40)(41,44)(47,48)(1,3)(2,7)(4,9)(5,13)(6,11)(8,16)(10,15)(12,14)(17,19,23,30)(18,24,25,27)(20,22,29,28)(21,26,31,32)(33,34)(35,39)(36,38)(37,41)(40,43)(42,47)(44,46)(45,48)(3,11)(4,14)(7,15)(8,13)(18,25)(20,29)(22,28)(24,27)(33,35,38,43)(34,39,36,40)(37,45,46,42)(41,48,44,47)(1,4)(2,8)(3,12)(5,7)(6,14)(9,11)(10,13)(15,16)(17,20,23,29)(18,21,25,31)(19,28,30,22)(24,32,27,26)(33,35)(34,40)(36,39)(37,42)(38,43)(41,48)(44,47)(45,46)(1,5)(2,9)(3,8)(4,15)(6,16)(7,14)(10,12)(11,13)(17,21)(18,20)(19,26)(22,24)(23,31)(25,29)(27,28)(30,32)(33,36,38,34)(35,40,43,39)(37,44,46,41)(42,48,45,47)(1,3)(2,7)(4,12)(5,8)(6,11)(9,14)(10,15)(13,16)(17,22,23,28)(18,26,25,32)(19,29,30,20)(21,24,31,27)(33,37,38,46)(34,41,36,44)(35,42,43,45)(39,47,40,48)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.