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