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