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