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