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