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