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