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