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