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