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