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