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