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