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