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