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