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