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