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