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