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