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