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