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