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