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