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