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