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