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