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